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4 years ago

Whats x-11=16 please help

Mathematics

2 answers:

nadya68 [22]4 years ago

7 0

X - 11 = 16

x = 16 + 11

x = 27

hope this helps!

inn [45]4 years ago

3 0

I think the answer is twenty seven because if you added eleven and sixteen, you would get twenty seven.

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Nataly_w [17]

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Explanation: 15/3 = 45/x.
Cross Multiply: 15x= (45)(3)
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3 years ago

Does 12/15 and 14/17 form a proportion?

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Answer:

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2 years ago

Mr. Gonzalez drove 30 miles in March. He drove 5 times as many miles in March as he did in January. He drove 2 times as many mil

Deffense [45]

<h2>Answer:</h2>

<h2>12 miles</h2>

Step-by-step explanation:

Given information :

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3 years ago

The ratio of the perimeters of two similar triangles is 4:7. What is the area of each of these triangles if the sum of their are

Mashcka [7]

Answer:

The area of triangles are 16 cm^2 and 49 cm^2

Step-by-step explanation:

we know that

If two figures are similar, the ratio of its perimeters is equal to the scale factor and the ratio of its areas is equal to the scale factor squared

Let

z ----> the scale factor

x ----> the area of the smaller triangle in square centimeters

y ----> the area of the larger triangle in square centimeters

we know that

$z=\frac{4}{7}$

$\frac{x}{y}=z^2$

$\frac{x}{y}=(\frac{4}{7})^2$

$\frac{x}{y}=\frac{16}{49}$

$x=\frac{16}{49}y$ -----> equation A

$x+y=65$ ----> equation B

solve the system by substitution

substitute equation A in equation B

$\frac{16}{49}y+y=65$

solve for y

$\frac{65}{49}y=65$

$y=49\ cm^2$

Find the value of x

$x=\frac{16}{49}(49)$

$x=16\ cm^2$

therefore

The area of triangles are 16 cm^2 and 49 cm^2

3 0

4 years ago

Read 2 more answers

1. Joe worked 80 hours in the last pay period (2 weeks) and he earns $12 per<br> hour.

AleksandrR [38]

Answer:

You don't have a question but if you're asking how much does he earn in the one pay period it's 80 x 12 =$960

Step-by-step explanation:

let me know if that helps otherwise i can give a different answer

7 0

3 years ago